This dairy pick is packed with more calcium than you'll find in milk or regular yogurt, and it can make you happy, too. Proper calcium levels give the "Go" command, alerting your body to release feel-good neurotransmitters. "Disturbances in calcium levels can produce anxiety, depression, irritability, impaired memory, and slow thinking," says Dr. Ramsey in The Happiness Diet. Plus, the probiotics help aid in digestion and can even ward off colds.
If you find yourself nervous or agitated for an unexplained reason, try reaching for an organic Greek yogurt from cows raised on grass pastures. Pastured dairy is higher in healthy fats, and, like grass-fed lamb, often contain higher levels of CLA, the healthy fat that reduces the effects of stress on the brain. Read More: How to Make Your Own Homemade Yogurt.